Home / 3,258.68-4,890.45-2,617.16

Finding the Fourth Proportional to 3,258.68, 4,890.45 and 2,617.16

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Solution

The fourth proportional to 3,258.68, 4,890.45 and 2,617.16 is: 3,927.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,258.68 : 4,890.45 = 2,617.16 : x
  2. Step 2: Convert to fraction form
    3,258.68/4,890.45 = 2,617.16/x
  3. Step 3: Cross multiply
    3,258.68x = 4,890.45 × 2,617.16
  4. Step 4: Simplify right side
    3,258.68x = 12,799,090.12
  5. Step 5: Solve for x
    x = 12,799,090.12/3,258.68
  6. Step 6: Final answer
    x = 3,927.69

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.